CN210158618U

CN210158618U - Temporomandibular joint in-ear bone conduction stethoscope

Info

Publication number: CN210158618U
Application number: CN201920513603.XU
Authority: CN
Inventors: 蔡林凯
Original assignee: Hangzhou Yazhi Medical Technology Co Ltd
Current assignee: Hangzhou Yazhi Medical Technology Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-03-20
Anticipated expiration: 2029-04-16

Abstract

The utility model provides a temporal jaw joint in-ear bone conduction stethoscope includes the listening part of in-ear, connects listening part's signal transmission line is placed in and listening part's bone conduction microphone, wherein ear conduction microphone collects the undulant sound of bone in the duct with the mode of bone conduction, and listening part in-ear collects the sound of bone conduction and passes through signal transmission line and outwards transmits to the sound wave that sends from temporal jaw joint is sharply collected to the mode of bone conduction vibration wave, and the doctor of being convenient for makes more accurate judgement of seeing a doctor.

Description

Temporomandibular joint in-ear bone conduction stethoscope

Technical Field

The utility model relates to a stethoscope field, in particular to temporal jaw joint in-ear bone conduction stethoscope.

Background

The stethoscope, the most commonly used diagnostic tool for the doctors of internal and external women's ears, comprises a sound pick-up part, a conduction part and a listening part, and is mainly used for collecting and amplifying the sound emitted from the heart, the lung, the artery, the vein and other internal organs.

For some examinations of special organ parts, such as the examination of temporomandibular joint banging, the current most important examination method is still judged by the subjective auditory experience of the ears of doctors, and certainly, some doctors use a traditional stethoscope to assist auscultation, but both auscultation methods have respective problems:

the subjective auditory judgment mode of the doctor is characterized in that the subjective experience judgment is not scientific, the doctor depends too much on the clinical experience, and the patient cannot obtain an objective examination report to delay the diagnosis judgment. In particular, this approach is limited by the subjective awareness of the doctor: firstly, the subjective auditory mode is difficult to guarantee to hear the sound of the real temporomandibular joint, and secondly, the doctor is required to be rich in clinical experience to accurately judge whether the patient has the temporomandibular joint.

The traditional stethoscope conducts sound in a mode of combining air reinforcement with a conduction mode, and the stethoscope has the problems that murmurs exist in the temporal jaw joints, the sound frequency and the rhythm of the joint cannot be accurately captured, and the actual auscultation effect is poor.

Therefore, there is a need for a stethoscope that can be used for accurate acoustic auscultation of temporomandibular joint abnormalities.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temporal jaw joint pleasant formula bone conduction stethoscope to the sound wave that sends in the temporal jaw joint is sharply collected to the mode of bone conduction vibration wave, by audio frequency, the frequency variation that detects during joint motion, sound when accurately reacting patient temporal jaw joint motion with the form of datamation, the doctor of being convenient for makes more accurate judgement of seeing a doctor.

In order to realize the purpose of any one of the above utility model discloses, the utility model provides a temporal jaw joint pleasant formula bone conduction stethoscope, include: the bone conduction microphone is arranged in the listening part; wherein the listening part comprises a listening support body and earplugs sleeved on the listening support body; bone conduction microphone include bone vibration sensor and communicatively connect in bone vibration sensor's piezoelectric element, wherein bone vibration sensor responds to the vibration of the ear canal and acquires the ear bone vibration fluctuation, piezoelectric element will ear bone vibration fluctuation converts the signal of telecommunication into.

In some embodiments, a speaker is included that includes a signal amplifier and a filter in signal communication with each other, the signal amplifier communicatively coupled to the piezoelectric element.

In some embodiments, a processing chip is included, the processing chip disposed on the signal transmission line to process noise.

In some embodiments, the end of the signal transmission line is provided with a transmission plug, and the transmission plug transmits a signal to the mobile terminal, displaying a wave pattern.

In some embodiments, a wireless transmission module is disposed on the signal transmission line, and the wireless transmission module transmits a signal to the mobile terminal to display the wave pattern.

In some embodiments, the bone vibration sensor is disposed on an inner wall of the earplug.

In some embodiments, the bone vibration sensor is disposed on the listening support, conforming to an inner wall of the ear plug.

In some embodiments, the earplug is made of a soft material that fits against the wall of the ear canal when inserted therein.

In some embodiments, the listening support comprises a support base and a support pillar protruding from the support base, the bone vibration sensor being placed on the support pillar.

In some embodiments, the piezoelectric element is a piezoelectric ceramic unimorph and the signal transmission line is a TPE wire.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the auscultation part of this temporomandibular joint in-ear formula bone conduction stethoscope designs for going into the ear structure, and the patient is when using this temporomandibular joint in-ear formula bone conduction stethoscope, and the ear canal of the earplug part laminating patient of stethoscope contacts patient's ear bone, and the sound when collecting patient's temporomandibular joint activity more closely avoids the interference of murmur.

2. The bone conduction microphone is arranged and comprises a bone vibration sensor and a piezoelectric element, can precisely detect the bone conduction vibration transmitted intracranial in a patient human body, converts vibration sound into an electric signal for communication and recording, and realizes auscultation of temporomandibular joints in a bone conduction mode.

3. The built-in processing chip is used for reducing the interference of fluctuation noise and ensuring to obtain ideal sound data.

4. The sound is transmitted to the sound wave processing terminal through data, the sound of the temporomandibular joint movement can be intuitively converted into a visual sound wave image, and the auscultation by a doctor is further facilitated.

Drawings

FIG. 1 is a schematic view of a temporomandibular joint portion of a human being.

Fig. 2 is a schematic structural view of an temporal mandibular joint in-ear bone conduction stethoscope according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an temporal mandibular joint in-ear bone conduction stethoscope according to an embodiment of the present invention.

In the figure: the system comprises an E-auditory canal, a G-temporomandibular joint, a 10-listening part, an 11-earplug, a 12-listening support body, a 20-signal transmission line, a 30-bone conduction microphone, a 31-bone vibration sensor, a 32-piezoelectric element, a 40-loudspeaker, a 41-signal amplifier, a 42-filter, a 50-processing chip, a 60-wireless transmission module and a 70-transmission plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

The utility model provides a temporomandibular joint in-ear bone conduction stethoscope, inside this stethoscope stretched into user's duct when using, sound when adopting bone conduction's mode to collect temporomandibular joint activity, and then the medical personnel of being convenient for judge user's temporomandibular joint's state.

Fig. 1 shows a schematic diagram of a human temporomandibular joint G, also called the mandibular joint, which is the joint between the mandible bones and muscles and is composed of the mandibular head of the mandible and the mandibular fossa of the temporal bone and the articular nodules, and the temporomandibular joint disorder syndrome is the most common disease of the oral and maxillofacial area, and the main clinical manifestations of the disease are joint area pain, joint bounce during movement and mandibular movement disorder. During clinical diagnosis, medical personnel need auscultate the ringing of temporomandibular joint G motion, and it can be known from the figure that temporomandibular joint G is close to human ear canal E, and the sound that the bone sent can arouse the change of the bone sound in ear canal E when temporomandibular joint G moves, therefore, the sound that temporomandibular joint G moved can be known to the accessible through obtaining the bone sound in ear canal E.

This application adopts the mode of bone conduction to collect the sound in the duct, bone conduction is a sound conduction mode, be about to sound conversion to the mechanical vibration of different frequencies, skull through the people, the bone labyrinth, the transmission of inner ear lymph fluid, the spiral organ, listen the nerve, the sound wave is transmitted to the auditory centre, for the classic sound conduction mode through vibrating diaphragm production sound wave, many sound wave transmission's step has been saved in bone conduction, can realize clear sound reduction in noisy environment, and the sound wave can not influence other people because of diffusion in the air yet.

Particularly, the utility model provides a temporomandibular joint in-ear bone conduction stethoscope includes the auscultation part 10 and the connection of in-ear at least the signal transmission line 20 of auscultation part 10 and transferable signal, wherein auscultation part 10 sets up to the structure of in-ear, sound when can stretch into in user's the auricle E and laminating auricle E and acquire temporomandibular joint G motion.

In an embodiment of the present invention, the listening portion 10 includes a listening support body 12 and earplugs 11 sleeved on the listening support body 12, wherein the earplugs 11 are made of soft material, and can fit the ear canal E of the user to sense the vibration of the ear bone in the ear canal E, and different earplugs 11 can be replaced according to the characteristics of the ear canal E of the user. The listening support body 12 comprises a support base and a support pillar protruding from the support base, and the ear plug 11 is sleeved on the support pillar 11.

The listening portion 10 is internally provided with a bone conduction microphone 30, the bone conduction microphone 30 comprises a bone vibration sensor 31 for sensing vibration of the ear plug 11 and a piezoelectric element 32 communicatively connected to the bone vibration sensor 31, wherein the bone vibration sensor 31 transmits ear bone vibration fluctuation sensed by the bone vibration sensor to the piezoelectric element 32, and the piezoelectric element 32 converts the ear bone vibration fluctuation into an electrical signal for transmission. Specifically, the bone vibration sensor 31 may be disposed on an inner wall of the earplug 11, or may be disposed on the listening support 12 and attached to the inner wall of the earplug 11 to sense a bone vibration sound generated when the ear canal E vibrates during the movement of the temporomandibular joint G. The piezoelectric element 32 may be selected as a single piezoelectric ceramic wafer.

Specifically, the earplug 11 is inserted into the ear canal E of the user, the temporomandibular joint G of the user is moved at this time, the bone near the temporomandibular joint G vibrates, and the bone conduction microphone 30 receives vibration fluctuations of the bone vibrations around the ear canal E and converts the vibrations into an electric signal by the piezoelectric element 32.

The listening portion 10 further comprises a speaker 40, the speaker 40 being operative to amplify signals transmitted from the piezoelectric element 32 and filter out spurious emissions. Specifically, the speaker 40 includes a signal amplifier 41 and a filter 42, and the signal amplifier 41 and the filter 42 are all related art and not described herein too much. In the embodiment of the present invention, the speaker 40 is disposed in the listening support 12.

The signal transmission line 20 is connected with the listening support body 12, specifically, the signal transmission line 20 is connected with the filter 42, and transmits the signal wave after preliminary treatment, in the embodiment of the present invention, the signal transmission line 20 is selected to be a TPE wire.

In order to further improve the quality of bone conduction vibration wave, the utility model provides a handle chip 50, handle chip 50 and arrange in on the signal transmission line 20, parallelly connected the wave filter 42, handle chip 50's effect mainly is used for reducing the interference of noise, guarantees to obtain ideal sound data, and the bone conduction vibration wave after being handled continues along signal transmission line 20 transmits.

A transmission plug 70 is disposed at the end of the signal transmission line 20, the transmission plug 70 may be implemented as a four-section audio plug, the signal transmitted in the signal transmission line 20 may be transmitted to the terminal through the transmission plug 70, and the bone conduction vibration wave may be visually displayed on the mobile terminal.

In some embodiments, a wireless transmission module 60 is disposed on the signal transmission line 20, and the wireless transmission module 60 acquires the processed bone conduction vibration wave and transmits the processed bone conduction vibration wave to the mobile terminal in a wireless transmission manner.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. An temporal jaw joint in-ear bone conduction stethoscope, comprising:

an in-ear listening section (10), a signal transmission line (20) connected to the listening section (10), and a bone conduction microphone (30) built in the listening section (10);

wherein the listening part (10) comprises a listening support body (12) and earplugs (11) sleeved on the listening support body (12); the bone conduction microphone (30) comprises a bone vibration sensor (31) and a piezoelectric element (32) which is communicatively connected to the bone vibration sensor (31), wherein the bone vibration sensor (31) senses the vibration of the ear canal to acquire ear bone vibration fluctuation, and the piezoelectric element (32) converts the ear bone vibration fluctuation into an electric signal;

comprising a speaker (40), said speaker (40) comprising a signal amplifier (41) and a filter (42) in signal communication with each other, said signal amplifier (41) being communicatively connected to said piezoelectric element (32), amplifying signals transmitted by said piezoelectric element (32) and filtering spurious interferences;

the noise-free signal transmission line comprises a processing chip (50), wherein the processing chip (50) is arranged on the signal transmission line (20) and is connected with a pass filter (42) in parallel to process noise;

wherein, a wireless transmission module (60) is arranged on the signal transmission line (20), and the wireless transmission module (60) transmits signals to the mobile terminal to display a wave pattern.

2. The temporomandibular joint in-ear bone conduction stethoscope according to claim 1, wherein the distal end of said signal transmission line (20) is provided with a transmission plug (70), said transmission plug (70) transmitting signals to a mobile terminal displaying a wave pattern.

3. Temporomandibular joint in-ear bone conduction stethoscope according to any one of claims 1 to 2, characterized in that the bone vibration sensor (31) is arranged on the inner wall of the earplug (11).

4. Temporomandibular joint in-ear bone conduction stethoscope according to any one of claims 1 to 2, wherein said bone vibration sensor (31) is placed on said listening support (12) against the inner wall of said ear plug (11).

5. Temporomandibular joint in-ear bone conduction stethoscope according to any one of claims 1 to 2, wherein said ear plug (11) is made of a soft material and fits against the wall of the ear canal when inserted in the ear canal.

6. The temporomandibular joint in-ear bone conduction stethoscope according to claim 1, wherein said listening support (12) comprises a support base and a support post protruding from said support base, said bone vibration sensor (31) being placed on said support post.

7. The temporomandibular joint in-ear bone conduction stethoscope according to any one of claims 1 to 2, wherein the piezoelectric element (32) is a single piezoelectric ceramic wafer and the signal transmission line (20) is a TPE wire.